What is BOD in STP water?
5:54
COD ( Chemical Oxygen Demand)
10:26
Sewage treatment process (हिंदी में) | Wastewater treatment process
16:24
Biological Oxygen Demand | BOD | Calculation of BOD | Significance of BOD in Hindi | Water testing |
18:12
Chemical oxygen demand | COD | Calculation of COD | Chemical oxygen demand in hindi |
9:18
Difference between BOD and COD | BOD Vs COD | permissible limit of BOD and COD | water treatment |
15:30
MBBR Moving Bed Bioreactor (हिंदी में) || MBBR Working हिंदी में || Sewage treatment process
9:03
Biochemical Oxygen Demand [ BOD ] / Biological Oxygen Demand
13:13